CCI CCT END OF COURSE UPDATED QUESTIONS AND
ANSWERS GRADED A+
✔✔What would the heart rate be with an accelerated junctional rhythm?
40 to 60 bpm
41 to 100 bpm
101 to 150 bpm
150 to 250 bpm - ✔✔41 to 100 bpm
**actually60-100**
✔✔What would require a need for chest lead modification for a 12 lead ECG?
leg amputation
poor electrode contact
excessive breast tissue
never modify chest leads - ✔✔excessive breast tissue
✔✔The MOST CHARACTERISTIC feature of wandering atrial pacemaker is 3 or more
different
QT intervals.
P-R intervals.
QRS durations.
P wave morphologies. - ✔✔P wave morphologies.
✔✔Where would you place the electrodes during a Holter hookup to reduce artifact
produced by muscular movements?
over the ribs
low on the arms
between the ribs
high on the arms - ✔✔over the ribs
✔✔Which two leads are referenced when interpreting axis deviation?
I and aVF
I and aVL
II and III
V1 and V5 - ✔✔I and aVF
✔✔Which of the following leads normally produces a negative P wave and a
predominantly negative QRS on the ECG?
V1
V6
AVR
, lead II - ✔✔AVR
✔✔The normal QRS axis of the heart is
0 to -90 degrees.
0 to +90 degrees.
+60 to -60 degrees.
+60 to +120 degrees. - ✔✔0 to +90 degrees.
✔✔Lead placement for V4R is located where on the patient?
4th intercostal space, right sternal border
5th intercostal space, right mid-axillary line
5th intercostal space, right mid-clavicular line
5th intercostal space, right anterior axillary line - ✔✔5th intercostal space, right mid-
clavicular line
✔✔The sinoatrial node is located in the:
left atrium.
right atrium.
left ventricle.
right ventricle. - ✔✔right atrium.
✔✔When performing a 12 lead ECG you notice that leads I and II have a lot of artifact.
Which electrode MOST LIKELY needs to be replaced?
left leg
left arm
right leg
right arm - ✔✔right arm
✔✔The purpose for placing one of the exploring leads of the Holter monitor on or near
the V5 position is to
minimize QRS configuration.
maximize QRS configuration.
minimize P wave configuration.
maximize P wave configuration. - ✔✔maximize QRS configuration.
✔✔Which pacemaker site is the locus of stimulation for junctional rhythms?
AV node
SA node
Purkinje fibers
bundle branches - ✔✔AV node
✔✔ECG PAPER provides measurement for
ANSWERS GRADED A+
✔✔What would the heart rate be with an accelerated junctional rhythm?
40 to 60 bpm
41 to 100 bpm
101 to 150 bpm
150 to 250 bpm - ✔✔41 to 100 bpm
**actually60-100**
✔✔What would require a need for chest lead modification for a 12 lead ECG?
leg amputation
poor electrode contact
excessive breast tissue
never modify chest leads - ✔✔excessive breast tissue
✔✔The MOST CHARACTERISTIC feature of wandering atrial pacemaker is 3 or more
different
QT intervals.
P-R intervals.
QRS durations.
P wave morphologies. - ✔✔P wave morphologies.
✔✔Where would you place the electrodes during a Holter hookup to reduce artifact
produced by muscular movements?
over the ribs
low on the arms
between the ribs
high on the arms - ✔✔over the ribs
✔✔Which two leads are referenced when interpreting axis deviation?
I and aVF
I and aVL
II and III
V1 and V5 - ✔✔I and aVF
✔✔Which of the following leads normally produces a negative P wave and a
predominantly negative QRS on the ECG?
V1
V6
AVR
, lead II - ✔✔AVR
✔✔The normal QRS axis of the heart is
0 to -90 degrees.
0 to +90 degrees.
+60 to -60 degrees.
+60 to +120 degrees. - ✔✔0 to +90 degrees.
✔✔Lead placement for V4R is located where on the patient?
4th intercostal space, right sternal border
5th intercostal space, right mid-axillary line
5th intercostal space, right mid-clavicular line
5th intercostal space, right anterior axillary line - ✔✔5th intercostal space, right mid-
clavicular line
✔✔The sinoatrial node is located in the:
left atrium.
right atrium.
left ventricle.
right ventricle. - ✔✔right atrium.
✔✔When performing a 12 lead ECG you notice that leads I and II have a lot of artifact.
Which electrode MOST LIKELY needs to be replaced?
left leg
left arm
right leg
right arm - ✔✔right arm
✔✔The purpose for placing one of the exploring leads of the Holter monitor on or near
the V5 position is to
minimize QRS configuration.
maximize QRS configuration.
minimize P wave configuration.
maximize P wave configuration. - ✔✔maximize QRS configuration.
✔✔Which pacemaker site is the locus of stimulation for junctional rhythms?
AV node
SA node
Purkinje fibers
bundle branches - ✔✔AV node
✔✔ECG PAPER provides measurement for
